code: def teardown_method(self) -> None:
      subprocess.run(
          ["gcloud", "secrets", "delete", self.secret_name, "--quiet"],
          check=False,
      )
  
file_path: airflow/tests/providers/google/cloud/secrets/test_secret_manager_system.py
imports: from __future__ import annotations
  import random
  import string
  import subprocess
  from unittest import mock
  import pytest
  from tests.providers.google.cloud.utils.gcp_authenticator import GCP_SECRET_MANAGER_KEY
  from tests.test_utils.gcp_system_helpers import GoogleSystemTest, provide_gcp_context
label_desc: Use image node_id 3 for calling the TestCloudSecretManagerBackendConnectionSystem obj's underlying member method code with example usage: obj.teardown_method() without return types